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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-08-25 08:35:42 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-08-25 08:35:42 +0000
commit10906176b4dea0444588fba36b98f4b144a25775 (patch)
tree481d1ab61cff6a18586aea97a871c69621c52968 /transcode.c
parent0d0c147f23ef526437a7904c8ce22d60fa232c95 (diff)
downloadruby-10906176b4dea0444588fba36b98f4b144a25775.tar.gz
* transcode.c (rb_econv_substr_append): fix for buffer overrun.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18831 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'transcode.c')
-rw-r--r--transcode.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/transcode.c b/transcode.c
index 519c2f8c61..ddb185cc77 100644
--- a/transcode.c
+++ b/transcode.c
@@ -1360,8 +1360,9 @@ rb_econv_substr_append(rb_econv_t *ec, VALUE src, long off, long len, VALUE dst,
}
ss = sp = (const unsigned char *)RSTRING_PTR(src) + off;
se = ss + len;
- ds = dp = (unsigned char *)RSTRING_PTR(dst) + dlen;
+ ds = (unsigned char *)RSTRING_PTR(dst);
de = ds + rb_str_capacity(dst);
+ dp = ds += dlen;
res = rb_econv_convert(ec, &sp, se, &dp, de, flags);
off += sp - ss;
len -= sp - ss;